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5 mm, which is suitable for most vehicles. Install the weld bungs to replace or add sensor ports to any OEM or aftermarket exhaust or downpipe. The bung cap can be used to seal sensor bungs that are not being used in the exhaust system.




O2 oxygen sensor bung was made of 304 stainless steel easy to weld. Designed to adding a 02 sensor in any place you need one. Great for custom exhaust installation, headers, down pipes etc. Just drill a hole and weld these on.

1. ICT Billet
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ICT Billet O2 Sensor Bung Universal Mild Steel Weld Oxygen Air Fuel Ratio Meter 2 Pair M18 M18-1.5 Threaded Wideband with plug Made in America Metal Weldable 18mm 551548
#adICT Billet #ad - Bungs are machined with m18-1. 5 threads and have a recessed step for easier welding flush with a surface. Mild steel bungs can easily be welded to mild steel or aluminized steel. They can also be used for replacing rusted, or stripped out, factory bungs.More information #ad
These mild steel bungs are great for adding oxygen sensors to your exhaust system. Made in the usa from USA-made mild steel. The bung kit includes two plugs if you're needing to add the bung for temporarily installing an oxygen sensor.Brand | ICT Billet #ad |
Manufacturer | ICT Billet #ad |
Height | 1.3 Inches |
Length | 2.9 Inches |
Width | 4.1 Inches |
Part Number | 551548 |
Model | 551548 |
More information #ad
2. JGR
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JGR O2 Oxygen Sensor Stepped Weld Bungs 5 Bungs/5 Plugs M18 x 1.5
#adJGR #ad - Standard m18 x 1. 5 thread both boss and plug. Great for custom exhaust installation, headers, down pipes etc. Designed to adding a 02 sensor in any place you need one. Made from mild steel. Weld bung and plugs was easy to weld and offer fantastic value for the user. Unique Stepped Design.More information #ad
Brand | JGR #ad |
Manufacturer | JGR #ad |
Part Number | JGR-1030-9 |
More information #ad
3. LEDAUT
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Ledaut O2 Oxygen Sensor Mounting Boss And Plugs 2 Bungs/ 2 Plugs Notched Style Oxygen Sensor Fitting Bungs M18X1.5
#adLEDAUT #ad - The oxygen sensor plugs was made of plated mild steel with zinc plating. Designed to adding a 02 sensor in any place you need one. The size of our oxygen sensor plugs M18 x 1. 5 thread, fit for all standard O2 sensors.More information #ad
Great for custom exhaust installation, headers, down pipes etc. Weld bung and plugs was easy to weld and offer fantastic value for the user. Notched style o2 oxygen sensor mounting bung was made of 304 stainless steel easy to weld.Brand | LEDAUT #ad |
Manufacturer | LEDAUT #ad |
Part Number | LDO2S2SN |
More information #ad
4. LEDAUT
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LEDAUT M18X1.5 O2 Oxygen Sensor Stepped Mounting Bung And Plugs 1 Bungs/1 Plugs Oxygen Sensor Fittings Weld Bung
#adLEDAUT #ad - Great for custom exhaust installation, headers, down pipes etc. Weld bung and plugs was easy to weld and offer fantastic value for the user.More information #ad
Designed to adding a 02 sensor in any place you need one. Ledaut o2 oxygen sensor bung was made of 304 stainless steel. The oxygen sensor nut bung cap was made of plated mild steel with zinc plating.Brand | LEDAUT #ad |
Manufacturer | Ledaut #ad |
Part Number | LDO2S1S |
More information #ad
5. Sinekong
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Mounting Bungs and Plugs, Stainless Steel M18 x 1.5 Thread Notched Style Exhaust Weld in Bung with Gaskets 2 Sets
#adSinekong #ad - The mounting bung is made of stainless steel, easy to weld on exhaust, headers, down pipes, etc. The weld in bung and plug set features a straight thread size of M18*1.5 mm, which is suitable for most vehicles. Install the weld bungs to replace or add sensor ports to any OEM or aftermarket exhaust or downpipe. The bung cap can be used to seal sensor bungs that are not being used in the exhaust system.
More information #ad
The gasket helps create a tight seal to prevent any exhaust leaks. The m18*1. 5 bung features a notched style, making it easy to weld by having the curve sit against the rounded surface of the exhaust or downpipe. Drill a hole and weld the mounting bung on. Note: if the gasket you received is not flat, please be assured that it does not affect the use.Brand | Sinekong #ad |
Manufacturer | Sinekong #ad |
Part Number | LUO00101 |
More information #ad
6. FI-TECH
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FiTech 60012 Oxygen Sensor Bung Kit
#adFI-TECH #ad - Simply use the supplied clamps to install this anywhere on standard round exhaust piping. 6. Clamp on or weld fitech�s oxygen sensor bung kit is a natural stainless steel construction and a simple no-weld installation.More information #ad
Brand | FI-TECH #ad |
Manufacturer | FiTech #ad |
Height | 0.7 Inches |
Length | 8.1 Inches |
Width | 4.2 Inches |
Part Number | 60012 |
Model | 60012 |
More information #ad
7. GlowShift
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GlowShift 2-3/4"-3" Clamp-On Wideband Air/Fuel Ratio Gauge Oxygen Sensor Bung Adapter, No Weld Design
#adGlowShift #ad - Includes step-By-Step Installation Instructions. Glowshift guarantee with One Year Limited Warranty & Free Lifetime Technical Support. 304 stainless steel bracket with 2 bolts, 2 nuts, 2 Crush Washers, 2 flanges, 1 Removable Spacer & Exhaust Gasket to Prevent Leaks.More information #ad
Glowshift clamp-on wideband air/fuel oxygen sensor bung bracket Adapter Allows Users to Easily Install a Sensor to the Exhaust Pipe with a No Weld Design - DIY Friendly. Adjustable bracket from 2-3/4" to 3" - Installs to Vehicle's Exhaust Pipe.Brand | GlowShift #ad |
Manufacturer | GlowShift Gauges #ad |
Weight | 0.9 Pounds |
Part Number | GS-BRK-O2-275 |
Model | GS-BRK-O2-275 |
More information #ad
8. LEDAUT
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Ledaut M18X1.5 O2 Oxygen Sensor Bung Stepped Notched Style Mounting Bung And Plugs 1 Bungs/1 Plugs
#adLEDAUT #ad - Designed to adding a 02 sensor in any place you need one. Weld bung and plugs was easy to weld and offer fantastic value for the user. The oxygen sensor plugs was made of plated mild steel with zinc plating.More information #ad
Notched style o2 oxygen sensor mounting bung was made of 304 stainless steel easy to weld. Great for custom exhaust installation, headers, down pipes etc. The size of our oxygen sensor plugs is M18 x 1. 5 thread, fit for most of standard O2 sensors.Brand | LEDAUT #ad |
Manufacturer | LEDAUT #ad |
Part Number | LDO2S1SN |
More information #ad
9. TuhooMall
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M18X1.5 O2 Oxygen Sensor Bung Stepped Notched Style Mounting Bung And Plugs 1 Bungs/1 Plugs Fittings Weld Bung 2 SETS
#adTuhooMall #ad - These o2 sensor bungs are ideal for welding into aftermarket exhaust to give you somewhere to mount an o2 sensor. They can also be used for replacing rusted, or stripped out, factory bungs.O2 oxygen sensor bung was made of 304 stainless steel easy to weld. Designed to adding a 02 sensor in any place you need one. Great for custom exhaust installation, headers, down pipes etc. Just drill a hole and weld these on.
More information #ad
These mild steel bungs are great for adding oxygen sensors to your exhaust system. Be sure to use a little anti-sieze on the plugs if you use those. The size of our oxygen sensor plugs is m18 x 1. 5 thread, fit for most of standard O2 sensors. Bungs are machined with M18-1. 5 threads and have a recessed step for easier welding flush with a surface.Brand | TuhooMall #ad |
Manufacturer | TuhooMall #ad |
Part Number | TuhooMall |
More information #ad
10. After Market Auto & More
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M18 x 1.5, O2 Oxygen Sensor Fitting Plugs or Weld Bungs 10 pack Steel Bungs
#adAfter Market Auto & More #ad - Proudly manufactured in the USA by After Market Auto & More. High quality oxygen sensor fittings with many different types to choose from.More information #ad
Welding bungs can be used for re-attaching O2 Sensor to any universal exhaust pipe application. Plugs can be screwed into the O2 Sensor. Interested in large quantities? Send a message for a quote.Brand | After Market Auto & More #ad |
Manufacturer | After Market Auto & More #ad |
Height | 1 Inches |
Length | 6 Inches |
Width | 4 Inches |
Part Number | 02SF-10PK |
Warranty | After Market Auto & More guarantees its products to be absent from any flaws, deficiencies, or defects. After Market Auto & More has a manufacturer warranty of up to 90 days from the date of purchase. |
More information #ad